1 | var baseUniq = require('./_baseUniq');
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2 |
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3 | /**
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4 | * This method is like `_.uniq` except that it accepts `comparator` which
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5 | * is invoked to compare elements of `array`. The order of result values is
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6 | * determined by the order they occur in the array.The comparator is invoked
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7 | * with two arguments: (arrVal, othVal).
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8 | *
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9 | * @static
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10 | * @memberOf _
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11 | * @since 4.0.0
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12 | * @category Array
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13 | * @param {Array} array The array to inspect.
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14 | * @param {Function} [comparator] The comparator invoked per element.
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15 | * @returns {Array} Returns the new duplicate free array.
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16 | * @example
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17 | *
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18 | * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
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19 | *
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20 | * _.uniqWith(objects, _.isEqual);
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21 | * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
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22 | */
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23 | function uniqWith(array, comparator) {
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24 | comparator = typeof comparator == 'function' ? comparator : undefined;
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25 | return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
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26 | }
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27 |
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28 | module.exports = uniqWith;
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